A Model for the Evaluation of Brazilian Road Transport: A Sustainable Perspective

Table 4

Accident reduction factors for highways.

Activity	Accident reduction factor or
Increase in number of lanes (4 to 6)	0,95
Lane and shoulder widening	0,30
Resurfacing	0,33
Pavement maintenance	0,08
Shoulder maintenance	0,25

Accidents per million vehicles per mile; source [43].